keep后面接的是什么词？

1、形容词
2、keep doing一直做某事
3、keep sb doing让某人一直做某事
4、keepsb from doing sth阻止某人做某事
5、keep in +表示状态的词
keep in good health
keep in danger

keep doing一直做
keep sb doing让某人一直做

动名词 —ing keep doing sth
也可以构成短语 keep on doing sth

+动名词，表示持续做某事